85380400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{30493}}^1$

素因数の和:30518

約数の個数: 60

約数和(自身を含む): 234437872

約数和(自身を除く): 149057472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 30493, 60986, 121972, 152465, 213451, 243944, 304930, 426902, 487888, 609860, 762325, 853804, 1067255, 1219720, 1524650, 1707608, 2134510, 2439440, 3049300, 3415216, 4269020, 5336275, 6098600, 8538040, 10672550, 12197200, 17076080, 21345100, 42690200, 85380400]

約数ペア:

[(1, 85380400), (2, 42690200), (4, 21345100), (5, 17076080), (7, 12197200), (8, 10672550), (10, 8538040), (14, 6098600), (16, 5336275), (20, 4269020), (25, 3415216), (28, 3049300), (35, 2439440), (40, 2134510), (50, 1707608), (56, 1524650), (70, 1219720), (80, 1067255), (100, 853804), (112, 762325), (140, 609860), (175, 487888), (200, 426902), (280, 304930), (350, 243944), (400, 213451), (560, 152465), (700, 121972), (1400, 60986), (2800, 30493)]